diesel/dist/index.js

Dumb Interpretively Executed String Expression Language

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.createDieselError = exports.DieselUnknownFunctionError = exports.DieselUnknownError = exports.DieselSyntaxError = exports.DieselOutputTooLongError = exports.DieselIncorrectFunctionArgumentsError = exports.DieselError = void 0;
exports.evaluate = evaluate;
exports.evaluateC = evaluateC;
const utils_1 = require("./utils");
var utils_2 = require("./utils");
Object.defineProperty(exports, "DieselError", { enumerable: true, get: function () { return utils_2.DieselError; } });
Object.defineProperty(exports, "DieselIncorrectFunctionArgumentsError", { enumerable: true, get: function () { return utils_2.DieselIncorrectFunctionArgumentsError; } });
Object.defineProperty(exports, "DieselOutputTooLongError", { enumerable: true, get: function () { return utils_2.DieselOutputTooLongError; } });
Object.defineProperty(exports, "DieselSyntaxError", { enumerable: true, get: function () { return utils_2.DieselSyntaxError; } });
Object.defineProperty(exports, "DieselUnknownError", { enumerable: true, get: function () { return utils_2.DieselUnknownError; } });
Object.defineProperty(exports, "DieselUnknownFunctionError", { enumerable: true, get: function () { return utils_2.DieselUnknownFunctionError; } });
Object.defineProperty(exports, "createDieselError", { enumerable: true, get: function () { return utils_2.createDieselError; } });
const Module = require('./diesel.js');
// Create a promise that resolves when the module is initialized
const moduleInitialized = new Promise((resolve) => {
    Module.onRuntimeInitialized = function () {
        resolve();
    };
});
/**
 * DIESEL expression evaluator
 *
 * This is wrapped C `diesel` function, which will throw custom error message.
 *
 * - If you're looking for the original `diesel` function, use `dieselC` function instead.
 *
 * @param expresion DIESEL expression to evaluate
 * @returns result of the evaluation
 *
 * @see {@link https://www.fourmilab.ch/diesel/}
 */
function evaluate(expresion) {
    return __awaiter(this, void 0, void 0, function* () {
        yield moduleInitialized;
        const outputStr = "";
        const inPtr = Module.allocateUTF8(expresion);
        const outPtr = Module.allocateUTF8(outputStr);
        const ret = Module._diesel(inPtr, outPtr);
        const output = Module.UTF8ToString(outPtr);
        if (ret > 0) { // 0 - means no error
            const err = (0, utils_1.createDieselError)(output, ret);
            throw err;
        }
        return output;
    });
}
/**
 * DIESEL expression evaluator
 *
 * This is wrapped C `diesel` function.
 * Never throws error, instead it returns the error code as original `diesel` function does.
 *
 * @param expresion DIESEL expression to evaluate
 * @returns in `output` you can find the result of the evaluation, and in `return` you can find the error code
 *
 * @see {@link https://www.fourmilab.ch/diesel/}
 */
function evaluateC(expresion) {
    return __awaiter(this, void 0, void 0, function* () {
        yield moduleInitialized;
        const outputStr = "";
        const inPtr = Module.allocateUTF8(expresion);
        const outPtr = Module.allocateUTF8(outputStr);
        const ret = Module._diesel(inPtr, outPtr);
        const output = Module.UTF8ToString(outPtr);
        return { output, return: ret };
    });
}